# Chapter 8 - Geometry - Review Exercises: 100

$x \approx 12.6$ km

#### Work Step by Step

1. Use the Pythagorean Theorem to solve for $x$ $a^{2} + b^{2} = c^{2}$ $x^{2} + 6^{2} = 14^{2}$ $x^{2} + 36 = 196$ $x^{2} = 160$ $x = \sqrt 160$ $x = 12.649...$ km $x \approx 12.6$ km

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